Want IDE autocompletion without typescript or flow?
Now you can!
I’ve created an atom plugin that uses your component propTypes to autocomplete!

This works with any react component that has propTypes, and it works on a per-project basis for autocompleting isn’t full of junk from unused components.
Watch the above video or read the install instructions here
Props to Dave Rupert for tweeting the idea:
https://twitter.com/davatron5000/status/731249986600456192
Looking for contributors to the project!
P.S. if you are interested in learning React and Redux. I’m holding a 2-day workshop here in San Francisco on July 23-24th.